// in bytes as it should be
static long getProcessSize() {
  if (isWindows()) fail("Windows!");
  S bla = backtick("ps up " + getProcessID());
  S line = toLines(bla).get(1);
  L<S> vals = toList(line.split(" +"));
  //printStructure(vals);
  int processSize = parseInt(vals.get(5)); // hope for the best...
  ret processSize*1024;
}